ByVoidZero

Blazing Fast
Rust-based bundler for JavaScript

with Rollup-compatible API and esbuild feature parity

Performance + Features + Ecosystem

Speed of Rust

Rolldown handles tens of thousands of modules without breaking a sweat

Rolldown

/ 1.61s

esbuild

/ 1.70s

rspack

/ 4.07s

Rollup + esbuild

/ 40.10s

Benchmark bundling 19k modules.

10k React JSX components + 9k iconify JS files, with minification and source maps.

Rollup Compatible

Familiar API & options with a rich plugin ecosystem

Imagerollup compatible
Esbuild Feature Parity

Built-in transforms, define, inject, minify, CSS bundling & more...

esbuild feature parity
Designed for Vite

The unified bundler powering Vite 8+

Free & open source

Rolldown is free and open source, made possible by a full-time team and passionate open-source contributors.

Contribute
Brought to you by VoidZero